1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/ipc/PluginModuleParent.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,1804 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: sw=4 ts=4 et :
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifdef MOZ_WIDGET_QT
1.11 +// Must be included first to avoid conflicts.
1.12 +#include <QtCore/QCoreApplication>
1.13 +#include <QtCore/QEventLoop>
1.14 +#include "NestedLoopTimer.h"
1.15 +#endif
1.16 +
1.17 +#include "mozilla/plugins/PluginModuleParent.h"
1.18 +
1.19 +#include "base/process_util.h"
1.20 +#include "mozilla/Attributes.h"
1.21 +#include "mozilla/dom/PCrashReporterParent.h"
1.22 +#include "mozilla/ipc/MessageChannel.h"
1.23 +#include "mozilla/plugins/BrowserStreamParent.h"
1.24 +#include "mozilla/plugins/PluginInstanceParent.h"
1.25 +#include "mozilla/Preferences.h"
1.26 +#include "mozilla/Services.h"
1.27 +#include "mozilla/unused.h"
1.28 +#include "nsAutoPtr.h"
1.29 +#include "nsCRT.h"
1.30 +#include "nsIFile.h"
1.31 +#include "nsIObserverService.h"
1.32 +#include "nsNPAPIPlugin.h"
1.33 +#include "nsPrintfCString.h"
1.34 +#include "PluginIdentifierParent.h"
1.35 +#include "prsystem.h"
1.36 +#include "GeckoProfiler.h"
1.37 +
1.38 +#ifdef XP_WIN
1.39 +#include "PluginHangUIParent.h"
1.40 +#include "mozilla/widget/AudioSession.h"
1.41 +#endif
1.42 +
1.43 +#ifdef MOZ_ENABLE_PROFILER_SPS
1.44 +#include "nsIProfileSaveEvent.h"
1.45 +#endif
1.46 +
1.47 +#ifdef MOZ_WIDGET_GTK
1.48 +#include <glib.h>
1.49 +#elif XP_MACOSX
1.50 +#include "PluginInterposeOSX.h"
1.51 +#include "PluginUtilsOSX.h"
1.52 +#endif
1.53 +
1.54 +using base::KillProcess;
1.55 +
1.56 +using mozilla::PluginLibrary;
1.57 +using mozilla::ipc::MessageChannel;
1.58 +using mozilla::dom::PCrashReporterParent;
1.59 +using mozilla::dom::CrashReporterParent;
1.60 +
1.61 +using namespace mozilla;
1.62 +using namespace mozilla::plugins;
1.63 +using namespace mozilla::plugins::parent;
1.64 +
1.65 +#ifdef MOZ_CRASHREPORTER
1.66 +#include "mozilla/dom/CrashReporterParent.h"
1.67 +
1.68 +using namespace CrashReporter;
1.69 +#endif
1.70 +
1.71 +static const char kChildTimeoutPref[] = "dom.ipc.plugins.timeoutSecs";
1.72 +static const char kParentTimeoutPref[] = "dom.ipc.plugins.parentTimeoutSecs";
1.73 +static const char kLaunchTimeoutPref[] = "dom.ipc.plugins.processLaunchTimeoutSecs";
1.74 +#ifdef XP_WIN
1.75 +static const char kHangUITimeoutPref[] = "dom.ipc.plugins.hangUITimeoutSecs";
1.76 +static const char kHangUIMinDisplayPref[] = "dom.ipc.plugins.hangUIMinDisplaySecs";
1.77 +#define CHILD_TIMEOUT_PREF kHangUITimeoutPref
1.78 +#else
1.79 +#define CHILD_TIMEOUT_PREF kChildTimeoutPref
1.80 +#endif
1.81 +
1.82 +template<>
1.83 +struct RunnableMethodTraits<mozilla::plugins::PluginModuleParent>
1.84 +{
1.85 + typedef mozilla::plugins::PluginModuleParent Class;
1.86 + static void RetainCallee(Class* obj) { }
1.87 + static void ReleaseCallee(Class* obj) { }
1.88 +};
1.89 +
1.90 +// static
1.91 +PluginLibrary*
1.92 +PluginModuleParent::LoadModule(const char* aFilePath)
1.93 +{
1.94 + PLUGIN_LOG_DEBUG_FUNCTION;
1.95 +
1.96 + int32_t prefSecs = Preferences::GetInt(kLaunchTimeoutPref, 0);
1.97 +
1.98 + // Block on the child process being launched and initialized.
1.99 + nsAutoPtr<PluginModuleParent> parent(new PluginModuleParent(aFilePath));
1.100 + bool launched = parent->mSubprocess->Launch(prefSecs * 1000);
1.101 + if (!launched) {
1.102 + // We never reached open
1.103 + parent->mShutdown = true;
1.104 + return nullptr;
1.105 + }
1.106 + parent->Open(parent->mSubprocess->GetChannel(),
1.107 + parent->mSubprocess->GetChildProcessHandle());
1.108 +
1.109 + // Request Windows message deferral behavior on our channel. This
1.110 + // applies to the top level and all sub plugin protocols since they
1.111 + // all share the same channel.
1.112 + parent->GetIPCChannel()->SetChannelFlags(MessageChannel::REQUIRE_DEFERRED_MESSAGE_PROTECTION);
1.113 +
1.114 + TimeoutChanged(CHILD_TIMEOUT_PREF, parent);
1.115 +
1.116 +#ifdef MOZ_CRASHREPORTER
1.117 + // If this fails, we're having IPC troubles, and we're doomed anyways.
1.118 + if (!CrashReporterParent::CreateCrashReporter(parent.get())) {
1.119 + parent->Close();
1.120 + return nullptr;
1.121 + }
1.122 +#ifdef XP_WIN
1.123 + mozilla::MutexAutoLock lock(parent->mCrashReporterMutex);
1.124 + parent->mCrashReporter = parent->CrashReporter();
1.125 +#endif
1.126 +#endif
1.127 +
1.128 + return parent.forget();
1.129 +}
1.130 +
1.131 +
1.132 +PluginModuleParent::PluginModuleParent(const char* aFilePath)
1.133 + : mSubprocess(new PluginProcessParent(aFilePath))
1.134 + , mShutdown(false)
1.135 + , mClearSiteDataSupported(false)
1.136 + , mGetSitesWithDataSupported(false)
1.137 + , mNPNIface(nullptr)
1.138 + , mPlugin(nullptr)
1.139 + , mTaskFactory(MOZ_THIS_IN_INITIALIZER_LIST())
1.140 +#ifdef XP_WIN
1.141 + , mPluginCpuUsageOnHang()
1.142 + , mHangUIParent(nullptr)
1.143 + , mHangUIEnabled(true)
1.144 + , mIsTimerReset(true)
1.145 +#ifdef MOZ_CRASHREPORTER
1.146 + , mCrashReporterMutex("PluginModuleParent::mCrashReporterMutex")
1.147 + , mCrashReporter(nullptr)
1.148 +#endif
1.149 +#endif
1.150 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.151 + , mFlashProcess1(0)
1.152 + , mFlashProcess2(0)
1.153 +#endif
1.154 +{
1.155 + NS_ASSERTION(mSubprocess, "Out of memory!");
1.156 +
1.157 + Preferences::RegisterCallback(TimeoutChanged, kChildTimeoutPref, this);
1.158 + Preferences::RegisterCallback(TimeoutChanged, kParentTimeoutPref, this);
1.159 +#ifdef XP_WIN
1.160 + Preferences::RegisterCallback(TimeoutChanged, kHangUITimeoutPref, this);
1.161 + Preferences::RegisterCallback(TimeoutChanged, kHangUIMinDisplayPref, this);
1.162 +#endif
1.163 +
1.164 +#ifdef MOZ_ENABLE_PROFILER_SPS
1.165 + InitPluginProfiling();
1.166 +#endif
1.167 +}
1.168 +
1.169 +PluginModuleParent::~PluginModuleParent()
1.170 +{
1.171 + if (!OkToCleanup()) {
1.172 + NS_RUNTIMEABORT("unsafe destruction");
1.173 + }
1.174 +
1.175 +#ifdef MOZ_ENABLE_PROFILER_SPS
1.176 + ShutdownPluginProfiling();
1.177 +#endif
1.178 +
1.179 + if (!mShutdown) {
1.180 + NS_WARNING("Plugin host deleted the module without shutting down.");
1.181 + NPError err;
1.182 + NP_Shutdown(&err);
1.183 + }
1.184 +
1.185 + NS_ASSERTION(mShutdown, "NP_Shutdown didn't");
1.186 +
1.187 + if (mSubprocess) {
1.188 + mSubprocess->Delete();
1.189 + mSubprocess = nullptr;
1.190 + }
1.191 +
1.192 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.193 + if (mFlashProcess1)
1.194 + UnregisterInjectorCallback(mFlashProcess1);
1.195 + if (mFlashProcess2)
1.196 + UnregisterInjectorCallback(mFlashProcess2);
1.197 +#endif
1.198 +
1.199 + Preferences::UnregisterCallback(TimeoutChanged, kChildTimeoutPref, this);
1.200 + Preferences::UnregisterCallback(TimeoutChanged, kParentTimeoutPref, this);
1.201 +#ifdef XP_WIN
1.202 + Preferences::UnregisterCallback(TimeoutChanged, kHangUITimeoutPref, this);
1.203 + Preferences::UnregisterCallback(TimeoutChanged, kHangUIMinDisplayPref, this);
1.204 +
1.205 + if (mHangUIParent) {
1.206 + delete mHangUIParent;
1.207 + mHangUIParent = nullptr;
1.208 + }
1.209 +#endif
1.210 +}
1.211 +
1.212 +#ifdef MOZ_CRASHREPORTER
1.213 +void
1.214 +PluginModuleParent::WriteExtraDataForMinidump(AnnotationTable& notes)
1.215 +{
1.216 +#ifdef XP_WIN
1.217 + // mCrashReporterMutex is already held by the caller
1.218 + mCrashReporterMutex.AssertCurrentThreadOwns();
1.219 +#endif
1.220 + typedef nsDependentCString CS;
1.221 +
1.222 + // Get the plugin filename, try to get just the file leafname
1.223 + const std::string& pluginFile = mSubprocess->GetPluginFilePath();
1.224 + size_t filePos = pluginFile.rfind(FILE_PATH_SEPARATOR);
1.225 + if (filePos == std::string::npos)
1.226 + filePos = 0;
1.227 + else
1.228 + filePos++;
1.229 + notes.Put(NS_LITERAL_CSTRING("PluginFilename"), CS(pluginFile.substr(filePos).c_str()));
1.230 +
1.231 + nsCString pluginName;
1.232 + nsCString pluginVersion;
1.233 +
1.234 + nsRefPtr<nsPluginHost> ph = nsPluginHost::GetInst();
1.235 + if (ph) {
1.236 + nsPluginTag* tag = ph->TagForPlugin(mPlugin);
1.237 + if (tag) {
1.238 + pluginName = tag->mName;
1.239 + pluginVersion = tag->mVersion;
1.240 + }
1.241 + }
1.242 +
1.243 + notes.Put(NS_LITERAL_CSTRING("PluginName"), pluginName);
1.244 + notes.Put(NS_LITERAL_CSTRING("PluginVersion"), pluginVersion);
1.245 +
1.246 + CrashReporterParent* crashReporter = CrashReporter();
1.247 + if (crashReporter) {
1.248 +#ifdef XP_WIN
1.249 + if (mPluginCpuUsageOnHang.Length() > 0) {
1.250 + notes.Put(NS_LITERAL_CSTRING("NumberOfProcessors"),
1.251 + nsPrintfCString("%d", PR_GetNumberOfProcessors()));
1.252 +
1.253 + nsCString cpuUsageStr;
1.254 + cpuUsageStr.AppendFloat(std::ceil(mPluginCpuUsageOnHang[0] * 100) / 100);
1.255 + notes.Put(NS_LITERAL_CSTRING("PluginCpuUsage"), cpuUsageStr);
1.256 +
1.257 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.258 + for (uint32_t i=1; i<mPluginCpuUsageOnHang.Length(); ++i) {
1.259 + nsCString tempStr;
1.260 + tempStr.AppendFloat(std::ceil(mPluginCpuUsageOnHang[i] * 100) / 100);
1.261 + notes.Put(nsPrintfCString("CpuUsageFlashProcess%d", i), tempStr);
1.262 + }
1.263 +#endif
1.264 + }
1.265 +#endif
1.266 + }
1.267 +}
1.268 +#endif // MOZ_CRASHREPORTER
1.269 +
1.270 +void
1.271 +PluginModuleParent::SetChildTimeout(const int32_t aChildTimeout)
1.272 +{
1.273 + int32_t timeoutMs = (aChildTimeout > 0) ? (1000 * aChildTimeout) :
1.274 + MessageChannel::kNoTimeout;
1.275 + SetReplyTimeoutMs(timeoutMs);
1.276 +}
1.277 +
1.278 +void
1.279 +PluginModuleParent::TimeoutChanged(const char* aPref, void* aModule)
1.280 +{
1.281 + NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
1.282 +#ifndef XP_WIN
1.283 + if (!strcmp(aPref, kChildTimeoutPref)) {
1.284 + // The timeout value used by the parent for children
1.285 + int32_t timeoutSecs = Preferences::GetInt(kChildTimeoutPref, 0);
1.286 + static_cast<PluginModuleParent*>(aModule)->SetChildTimeout(timeoutSecs);
1.287 +#else
1.288 + if (!strcmp(aPref, kChildTimeoutPref) ||
1.289 + !strcmp(aPref, kHangUIMinDisplayPref) ||
1.290 + !strcmp(aPref, kHangUITimeoutPref)) {
1.291 + static_cast<PluginModuleParent*>(aModule)->EvaluateHangUIState(true);
1.292 +#endif // XP_WIN
1.293 + } else if (!strcmp(aPref, kParentTimeoutPref)) {
1.294 + // The timeout value used by the child for its parent
1.295 + int32_t timeoutSecs = Preferences::GetInt(kParentTimeoutPref, 0);
1.296 + unused << static_cast<PluginModuleParent*>(aModule)->SendSetParentHangTimeout(timeoutSecs);
1.297 + }
1.298 +}
1.299 +
1.300 +void
1.301 +PluginModuleParent::CleanupFromTimeout(const bool aFromHangUI)
1.302 +{
1.303 + if (mShutdown) {
1.304 + return;
1.305 + }
1.306 +
1.307 + if (!OkToCleanup()) {
1.308 + // there's still plugin code on the C++ stack, try again
1.309 + MessageLoop::current()->PostDelayedTask(
1.310 + FROM_HERE,
1.311 + mTaskFactory.NewRunnableMethod(
1.312 + &PluginModuleParent::CleanupFromTimeout, aFromHangUI), 10);
1.313 + return;
1.314 + }
1.315 +
1.316 + /* If the plugin container was terminated by the Plugin Hang UI,
1.317 + then either the I/O thread detects a channel error, or the
1.318 + main thread must set the error (whomever gets there first).
1.319 + OTOH, if we terminate and return false from
1.320 + ShouldContinueFromReplyTimeout, then the channel state has
1.321 + already been set to ChannelTimeout and we should call the
1.322 + regular Close function. */
1.323 + if (aFromHangUI) {
1.324 + GetIPCChannel()->CloseWithError();
1.325 + } else {
1.326 + Close();
1.327 + }
1.328 +}
1.329 +
1.330 +#ifdef XP_WIN
1.331 +namespace {
1.332 +
1.333 +uint64_t
1.334 +FileTimeToUTC(const FILETIME& ftime)
1.335 +{
1.336 + ULARGE_INTEGER li;
1.337 + li.LowPart = ftime.dwLowDateTime;
1.338 + li.HighPart = ftime.dwHighDateTime;
1.339 + return li.QuadPart;
1.340 +}
1.341 +
1.342 +struct CpuUsageSamples
1.343 +{
1.344 + uint64_t sampleTimes[2];
1.345 + uint64_t cpuTimes[2];
1.346 +};
1.347 +
1.348 +bool
1.349 +GetProcessCpuUsage(const InfallibleTArray<base::ProcessHandle>& processHandles, InfallibleTArray<float>& cpuUsage)
1.350 +{
1.351 + InfallibleTArray<CpuUsageSamples> samples(processHandles.Length());
1.352 + FILETIME creationTime, exitTime, kernelTime, userTime, currentTime;
1.353 + BOOL res;
1.354 +
1.355 + for (uint32_t i = 0; i < processHandles.Length(); ++i) {
1.356 + ::GetSystemTimeAsFileTime(¤tTime);
1.357 + res = ::GetProcessTimes(processHandles[i], &creationTime, &exitTime, &kernelTime, &userTime);
1.358 + if (!res) {
1.359 + NS_WARNING("failed to get process times");
1.360 + return false;
1.361 + }
1.362 +
1.363 + CpuUsageSamples s;
1.364 + s.sampleTimes[0] = FileTimeToUTC(currentTime);
1.365 + s.cpuTimes[0] = FileTimeToUTC(kernelTime) + FileTimeToUTC(userTime);
1.366 + samples.AppendElement(s);
1.367 + }
1.368 +
1.369 + // we already hung for a while, a little bit longer won't matter
1.370 + ::Sleep(50);
1.371 +
1.372 + const int32_t numberOfProcessors = PR_GetNumberOfProcessors();
1.373 +
1.374 + for (uint32_t i = 0; i < processHandles.Length(); ++i) {
1.375 + ::GetSystemTimeAsFileTime(¤tTime);
1.376 + res = ::GetProcessTimes(processHandles[i], &creationTime, &exitTime, &kernelTime, &userTime);
1.377 + if (!res) {
1.378 + NS_WARNING("failed to get process times");
1.379 + return false;
1.380 + }
1.381 +
1.382 + samples[i].sampleTimes[1] = FileTimeToUTC(currentTime);
1.383 + samples[i].cpuTimes[1] = FileTimeToUTC(kernelTime) + FileTimeToUTC(userTime);
1.384 +
1.385 + const uint64_t deltaSampleTime = samples[i].sampleTimes[1] - samples[i].sampleTimes[0];
1.386 + const uint64_t deltaCpuTime = samples[i].cpuTimes[1] - samples[i].cpuTimes[0];
1.387 + const float usage = 100.f * (float(deltaCpuTime) / deltaSampleTime) / numberOfProcessors;
1.388 + cpuUsage.AppendElement(usage);
1.389 + }
1.390 +
1.391 + return true;
1.392 +}
1.393 +
1.394 +} // anonymous namespace
1.395 +
1.396 +void
1.397 +PluginModuleParent::ExitedCxxStack()
1.398 +{
1.399 + FinishHangUI();
1.400 +}
1.401 +
1.402 +#endif // #ifdef XP_WIN
1.403 +
1.404 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.405 +static bool
1.406 +CreateFlashMinidump(DWORD processId, ThreadId childThread,
1.407 + nsIFile* parentMinidump, const nsACString& name)
1.408 +{
1.409 + if (processId == 0) {
1.410 + return false;
1.411 + }
1.412 +
1.413 + base::ProcessHandle handle;
1.414 + if (!base::OpenPrivilegedProcessHandle(processId, &handle)) {
1.415 + return false;
1.416 + }
1.417 +
1.418 + bool res = CreateAdditionalChildMinidump(handle, 0, parentMinidump, name);
1.419 + base::CloseProcessHandle(handle);
1.420 +
1.421 + return res;
1.422 +}
1.423 +#endif
1.424 +
1.425 +bool
1.426 +PluginModuleParent::ShouldContinueFromReplyTimeout()
1.427 +{
1.428 +#ifdef XP_WIN
1.429 + if (LaunchHangUI()) {
1.430 + return true;
1.431 + }
1.432 + // If LaunchHangUI returned false then we should proceed with the
1.433 + // original plugin hang behaviour and kill the plugin container.
1.434 + FinishHangUI();
1.435 +#endif // XP_WIN
1.436 + TerminateChildProcess(MessageLoop::current());
1.437 + return false;
1.438 +}
1.439 +
1.440 +void
1.441 +PluginModuleParent::TerminateChildProcess(MessageLoop* aMsgLoop)
1.442 +{
1.443 +#ifdef MOZ_CRASHREPORTER
1.444 +#ifdef XP_WIN
1.445 + mozilla::MutexAutoLock lock(mCrashReporterMutex);
1.446 + CrashReporterParent* crashReporter = mCrashReporter;
1.447 + if (!crashReporter) {
1.448 + // If mCrashReporter is null then the hang has ended, the plugin module
1.449 + // is shutting down. There's nothing to do here.
1.450 + return;
1.451 + }
1.452 +#else
1.453 + CrashReporterParent* crashReporter = CrashReporter();
1.454 +#endif
1.455 + crashReporter->AnnotateCrashReport(NS_LITERAL_CSTRING("PluginHang"),
1.456 + NS_LITERAL_CSTRING("1"));
1.457 +#ifdef XP_WIN
1.458 + if (mHangUIParent) {
1.459 + unsigned int hangUIDuration = mHangUIParent->LastShowDurationMs();
1.460 + if (hangUIDuration) {
1.461 + nsPrintfCString strHangUIDuration("%u", hangUIDuration);
1.462 + crashReporter->AnnotateCrashReport(
1.463 + NS_LITERAL_CSTRING("PluginHangUIDuration"),
1.464 + strHangUIDuration);
1.465 + }
1.466 + }
1.467 +#endif // XP_WIN
1.468 + if (crashReporter->GeneratePairedMinidump(this)) {
1.469 + mPluginDumpID = crashReporter->ChildDumpID();
1.470 + PLUGIN_LOG_DEBUG(
1.471 + ("generated paired browser/plugin minidumps: %s)",
1.472 + NS_ConvertUTF16toUTF8(mPluginDumpID).get()));
1.473 +
1.474 + nsAutoCString additionalDumps("browser");
1.475 +
1.476 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.477 + nsCOMPtr<nsIFile> pluginDumpFile;
1.478 +
1.479 + if (GetMinidumpForID(mPluginDumpID, getter_AddRefs(pluginDumpFile)) &&
1.480 + pluginDumpFile) {
1.481 + nsCOMPtr<nsIFile> childDumpFile;
1.482 +
1.483 + if (CreateFlashMinidump(mFlashProcess1, 0, pluginDumpFile,
1.484 + NS_LITERAL_CSTRING("flash1"))) {
1.485 + additionalDumps.Append(",flash1");
1.486 + }
1.487 + if (CreateFlashMinidump(mFlashProcess2, 0, pluginDumpFile,
1.488 + NS_LITERAL_CSTRING("flash2"))) {
1.489 + additionalDumps.Append(",flash2");
1.490 + }
1.491 + }
1.492 +#endif
1.493 +
1.494 + crashReporter->AnnotateCrashReport(
1.495 + NS_LITERAL_CSTRING("additional_minidumps"),
1.496 + additionalDumps);
1.497 + } else {
1.498 + NS_WARNING("failed to capture paired minidumps from hang");
1.499 + }
1.500 +#endif
1.501 +
1.502 +#ifdef XP_WIN
1.503 + // collect cpu usage for plugin processes
1.504 +
1.505 + InfallibleTArray<base::ProcessHandle> processHandles;
1.506 +
1.507 + processHandles.AppendElement(OtherProcess());
1.508 +
1.509 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.510 + {
1.511 + base::ProcessHandle handle;
1.512 + if (mFlashProcess1 && base::OpenProcessHandle(mFlashProcess1, &handle)) {
1.513 + processHandles.AppendElement(handle);
1.514 + }
1.515 + if (mFlashProcess2 && base::OpenProcessHandle(mFlashProcess2, &handle)) {
1.516 + processHandles.AppendElement(handle);
1.517 + }
1.518 + }
1.519 +#endif
1.520 +
1.521 + if (!GetProcessCpuUsage(processHandles, mPluginCpuUsageOnHang)) {
1.522 + mPluginCpuUsageOnHang.Clear();
1.523 + }
1.524 +#endif
1.525 +
1.526 + // this must run before the error notification from the channel,
1.527 + // or not at all
1.528 + bool isFromHangUI = aMsgLoop != MessageLoop::current();
1.529 + aMsgLoop->PostTask(
1.530 + FROM_HERE,
1.531 + mTaskFactory.NewRunnableMethod(
1.532 + &PluginModuleParent::CleanupFromTimeout, isFromHangUI));
1.533 +
1.534 + if (!KillProcess(OtherProcess(), 1, false))
1.535 + NS_WARNING("failed to kill subprocess!");
1.536 +}
1.537 +
1.538 +#ifdef XP_WIN
1.539 +void
1.540 +PluginModuleParent::EvaluateHangUIState(const bool aReset)
1.541 +{
1.542 + int32_t minDispSecs = Preferences::GetInt(kHangUIMinDisplayPref, 10);
1.543 + int32_t autoStopSecs = Preferences::GetInt(kChildTimeoutPref, 0);
1.544 + int32_t timeoutSecs = 0;
1.545 + if (autoStopSecs > 0 && autoStopSecs < minDispSecs) {
1.546 + /* If we're going to automatically terminate the plugin within a
1.547 + time frame shorter than minDispSecs, there's no point in
1.548 + showing the hang UI; it would just flash briefly on the screen. */
1.549 + mHangUIEnabled = false;
1.550 + } else {
1.551 + timeoutSecs = Preferences::GetInt(kHangUITimeoutPref, 0);
1.552 + mHangUIEnabled = timeoutSecs > 0;
1.553 + }
1.554 + if (mHangUIEnabled) {
1.555 + if (aReset) {
1.556 + mIsTimerReset = true;
1.557 + SetChildTimeout(timeoutSecs);
1.558 + return;
1.559 + } else if (mIsTimerReset) {
1.560 + /* The Hang UI is being shown, so now we're setting the
1.561 + timeout to kChildTimeoutPref while we wait for a user
1.562 + response. ShouldContinueFromReplyTimeout will fire
1.563 + after (reply timeout / 2) seconds, which is not what
1.564 + we want. Doubling the timeout value here so that we get
1.565 + the right result. */
1.566 + autoStopSecs *= 2;
1.567 + }
1.568 + }
1.569 + mIsTimerReset = false;
1.570 + SetChildTimeout(autoStopSecs);
1.571 +}
1.572 +
1.573 +bool
1.574 +PluginModuleParent::GetPluginName(nsAString& aPluginName)
1.575 +{
1.576 + nsRefPtr<nsPluginHost> host = nsPluginHost::GetInst();
1.577 + if (!host) {
1.578 + return false;
1.579 + }
1.580 + nsPluginTag* pluginTag = host->TagForPlugin(mPlugin);
1.581 + if (!pluginTag) {
1.582 + return false;
1.583 + }
1.584 + CopyUTF8toUTF16(pluginTag->mName, aPluginName);
1.585 + return true;
1.586 +}
1.587 +
1.588 +bool
1.589 +PluginModuleParent::LaunchHangUI()
1.590 +{
1.591 + if (!mHangUIEnabled) {
1.592 + return false;
1.593 + }
1.594 + if (mHangUIParent) {
1.595 + if (mHangUIParent->IsShowing()) {
1.596 + // We've already shown the UI but the timeout has expired again.
1.597 + return false;
1.598 + }
1.599 + if (mHangUIParent->DontShowAgain()) {
1.600 + return !mHangUIParent->WasLastHangStopped();
1.601 + }
1.602 + delete mHangUIParent;
1.603 + mHangUIParent = nullptr;
1.604 + }
1.605 + mHangUIParent = new PluginHangUIParent(this,
1.606 + Preferences::GetInt(kHangUITimeoutPref, 0),
1.607 + Preferences::GetInt(kChildTimeoutPref, 0));
1.608 + nsAutoString pluginName;
1.609 + if (!GetPluginName(pluginName)) {
1.610 + return false;
1.611 + }
1.612 + bool retval = mHangUIParent->Init(pluginName);
1.613 + if (retval) {
1.614 + /* Once the UI is shown we switch the timeout over to use
1.615 + kChildTimeoutPref, allowing us to terminate a hung plugin
1.616 + after kChildTimeoutPref seconds if the user doesn't respond to
1.617 + the hang UI. */
1.618 + EvaluateHangUIState(false);
1.619 + }
1.620 + return retval;
1.621 +}
1.622 +
1.623 +void
1.624 +PluginModuleParent::FinishHangUI()
1.625 +{
1.626 + if (mHangUIEnabled && mHangUIParent) {
1.627 + bool needsCancel = mHangUIParent->IsShowing();
1.628 + // If we're still showing, send a Cancel notification
1.629 + if (needsCancel) {
1.630 + mHangUIParent->Cancel();
1.631 + }
1.632 + /* If we cancelled the UI or if the user issued a response,
1.633 + we need to reset the child process timeout. */
1.634 + if (needsCancel ||
1.635 + !mIsTimerReset && mHangUIParent->WasShown()) {
1.636 + /* We changed the timeout to kChildTimeoutPref when the plugin hang
1.637 + UI was displayed. Now that we're finishing the UI, we need to
1.638 + switch it back to kHangUITimeoutPref. */
1.639 + EvaluateHangUIState(true);
1.640 + }
1.641 + }
1.642 +}
1.643 +#endif // XP_WIN
1.644 +
1.645 +#ifdef MOZ_CRASHREPORTER
1.646 +CrashReporterParent*
1.647 +PluginModuleParent::CrashReporter()
1.648 +{
1.649 + return static_cast<CrashReporterParent*>(ManagedPCrashReporterParent()[0]);
1.650 +}
1.651 +
1.652 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.653 +static void
1.654 +RemoveMinidump(nsIFile* minidump)
1.655 +{
1.656 + if (!minidump)
1.657 + return;
1.658 +
1.659 + minidump->Remove(false);
1.660 + nsCOMPtr<nsIFile> extraFile;
1.661 + if (GetExtraFileForMinidump(minidump,
1.662 + getter_AddRefs(extraFile))) {
1.663 + extraFile->Remove(true);
1.664 + }
1.665 +}
1.666 +#endif // MOZ_CRASHREPORTER_INJECTOR
1.667 +
1.668 +void
1.669 +PluginModuleParent::ProcessFirstMinidump()
1.670 +{
1.671 +#ifdef XP_WIN
1.672 + mozilla::MutexAutoLock lock(mCrashReporterMutex);
1.673 +#endif
1.674 + CrashReporterParent* crashReporter = CrashReporter();
1.675 + if (!crashReporter)
1.676 + return;
1.677 +
1.678 + AnnotationTable notes(4);
1.679 + WriteExtraDataForMinidump(notes);
1.680 +
1.681 + if (!mPluginDumpID.IsEmpty()) {
1.682 + crashReporter->GenerateChildData(¬es);
1.683 + return;
1.684 + }
1.685 +
1.686 + uint32_t sequence = UINT32_MAX;
1.687 + nsCOMPtr<nsIFile> dumpFile;
1.688 + nsAutoCString flashProcessType;
1.689 + TakeMinidump(getter_AddRefs(dumpFile), &sequence);
1.690 +
1.691 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.692 + nsCOMPtr<nsIFile> childDumpFile;
1.693 + uint32_t childSequence;
1.694 +
1.695 + if (mFlashProcess1 &&
1.696 + TakeMinidumpForChild(mFlashProcess1,
1.697 + getter_AddRefs(childDumpFile),
1.698 + &childSequence)) {
1.699 + if (childSequence < sequence) {
1.700 + RemoveMinidump(dumpFile);
1.701 + dumpFile = childDumpFile;
1.702 + sequence = childSequence;
1.703 + flashProcessType.AssignLiteral("Broker");
1.704 + }
1.705 + else {
1.706 + RemoveMinidump(childDumpFile);
1.707 + }
1.708 + }
1.709 + if (mFlashProcess2 &&
1.710 + TakeMinidumpForChild(mFlashProcess2,
1.711 + getter_AddRefs(childDumpFile),
1.712 + &childSequence)) {
1.713 + if (childSequence < sequence) {
1.714 + RemoveMinidump(dumpFile);
1.715 + dumpFile = childDumpFile;
1.716 + sequence = childSequence;
1.717 + flashProcessType.AssignLiteral("Sandbox");
1.718 + }
1.719 + else {
1.720 + RemoveMinidump(childDumpFile);
1.721 + }
1.722 + }
1.723 +#endif
1.724 +
1.725 + if (!dumpFile) {
1.726 + NS_WARNING("[PluginModuleParent::ActorDestroy] abnormal shutdown without minidump!");
1.727 + return;
1.728 + }
1.729 +
1.730 + PLUGIN_LOG_DEBUG(("got child minidump: %s",
1.731 + NS_ConvertUTF16toUTF8(mPluginDumpID).get()));
1.732 +
1.733 + GetIDFromMinidump(dumpFile, mPluginDumpID);
1.734 + if (!flashProcessType.IsEmpty()) {
1.735 + notes.Put(NS_LITERAL_CSTRING("FlashProcessDump"), flashProcessType);
1.736 + }
1.737 + crashReporter->GenerateCrashReportForMinidump(dumpFile, ¬es);
1.738 +}
1.739 +#endif
1.740 +
1.741 +void
1.742 +PluginModuleParent::ActorDestroy(ActorDestroyReason why)
1.743 +{
1.744 + switch (why) {
1.745 + case AbnormalShutdown: {
1.746 +#ifdef MOZ_CRASHREPORTER
1.747 + ProcessFirstMinidump();
1.748 +#endif
1.749 +
1.750 + mShutdown = true;
1.751 + // Defer the PluginCrashed method so that we don't re-enter
1.752 + // and potentially modify the actor child list while enumerating it.
1.753 + if (mPlugin)
1.754 + MessageLoop::current()->PostTask(
1.755 + FROM_HERE,
1.756 + mTaskFactory.NewRunnableMethod(
1.757 + &PluginModuleParent::NotifyPluginCrashed));
1.758 + break;
1.759 + }
1.760 + case NormalShutdown:
1.761 + mShutdown = true;
1.762 + break;
1.763 +
1.764 + default:
1.765 + NS_RUNTIMEABORT("Unexpected shutdown reason for toplevel actor.");
1.766 + }
1.767 +}
1.768 +
1.769 +void
1.770 +PluginModuleParent::NotifyPluginCrashed()
1.771 +{
1.772 + if (!OkToCleanup()) {
1.773 + // there's still plugin code on the C++ stack. try again
1.774 + MessageLoop::current()->PostDelayedTask(
1.775 + FROM_HERE,
1.776 + mTaskFactory.NewRunnableMethod(
1.777 + &PluginModuleParent::NotifyPluginCrashed), 10);
1.778 + return;
1.779 + }
1.780 +
1.781 + if (mPlugin)
1.782 + mPlugin->PluginCrashed(mPluginDumpID, mBrowserDumpID);
1.783 +}
1.784 +
1.785 +PPluginIdentifierParent*
1.786 +PluginModuleParent::AllocPPluginIdentifierParent(const nsCString& aString,
1.787 + const int32_t& aInt,
1.788 + const bool& aTemporary)
1.789 +{
1.790 + if (aTemporary) {
1.791 + NS_ERROR("Plugins don't create temporary identifiers.");
1.792 + return nullptr; // should abort the plugin
1.793 + }
1.794 +
1.795 + NPIdentifier npident = aString.IsVoid() ?
1.796 + mozilla::plugins::parent::_getintidentifier(aInt) :
1.797 + mozilla::plugins::parent::_getstringidentifier(aString.get());
1.798 +
1.799 + if (!npident) {
1.800 + NS_WARNING("Failed to get identifier!");
1.801 + return nullptr;
1.802 + }
1.803 +
1.804 + PluginIdentifierParent* ident = new PluginIdentifierParent(npident, false);
1.805 + mIdentifiers.Put(npident, ident);
1.806 + return ident;
1.807 +}
1.808 +
1.809 +bool
1.810 +PluginModuleParent::DeallocPPluginIdentifierParent(PPluginIdentifierParent* aActor)
1.811 +{
1.812 + delete aActor;
1.813 + return true;
1.814 +}
1.815 +
1.816 +PPluginInstanceParent*
1.817 +PluginModuleParent::AllocPPluginInstanceParent(const nsCString& aMimeType,
1.818 + const uint16_t& aMode,
1.819 + const InfallibleTArray<nsCString>& aNames,
1.820 + const InfallibleTArray<nsCString>& aValues,
1.821 + NPError* rv)
1.822 +{
1.823 + NS_ERROR("Not reachable!");
1.824 + return nullptr;
1.825 +}
1.826 +
1.827 +bool
1.828 +PluginModuleParent::DeallocPPluginInstanceParent(PPluginInstanceParent* aActor)
1.829 +{
1.830 + PLUGIN_LOG_DEBUG_METHOD;
1.831 + delete aActor;
1.832 + return true;
1.833 +}
1.834 +
1.835 +void
1.836 +PluginModuleParent::SetPluginFuncs(NPPluginFuncs* aFuncs)
1.837 +{
1.838 + aFuncs->version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
1.839 + aFuncs->javaClass = nullptr;
1.840 +
1.841 + // Gecko should always call these functions through a PluginLibrary object.
1.842 + aFuncs->newp = nullptr;
1.843 + aFuncs->clearsitedata = nullptr;
1.844 + aFuncs->getsiteswithdata = nullptr;
1.845 +
1.846 + aFuncs->destroy = NPP_Destroy;
1.847 + aFuncs->setwindow = NPP_SetWindow;
1.848 + aFuncs->newstream = NPP_NewStream;
1.849 + aFuncs->destroystream = NPP_DestroyStream;
1.850 + aFuncs->asfile = NPP_StreamAsFile;
1.851 + aFuncs->writeready = NPP_WriteReady;
1.852 + aFuncs->write = NPP_Write;
1.853 + aFuncs->print = NPP_Print;
1.854 + aFuncs->event = NPP_HandleEvent;
1.855 + aFuncs->urlnotify = NPP_URLNotify;
1.856 + aFuncs->getvalue = NPP_GetValue;
1.857 + aFuncs->setvalue = NPP_SetValue;
1.858 + aFuncs->gotfocus = nullptr;
1.859 + aFuncs->lostfocus = nullptr;
1.860 + aFuncs->urlredirectnotify = nullptr;
1.861 +
1.862 + // Provide 'NPP_URLRedirectNotify', 'NPP_ClearSiteData', and
1.863 + // 'NPP_GetSitesWithData' functionality if it is supported by the plugin.
1.864 + bool urlRedirectSupported = false;
1.865 + unused << CallOptionalFunctionsSupported(&urlRedirectSupported,
1.866 + &mClearSiteDataSupported,
1.867 + &mGetSitesWithDataSupported);
1.868 + if (urlRedirectSupported) {
1.869 + aFuncs->urlredirectnotify = NPP_URLRedirectNotify;
1.870 + }
1.871 +}
1.872 +
1.873 +NPError
1.874 +PluginModuleParent::NPP_Destroy(NPP instance,
1.875 + NPSavedData** /*saved*/)
1.876 +{
1.877 + // FIXME/cjones:
1.878 + // (1) send a "destroy" message to the child
1.879 + // (2) the child shuts down its instance
1.880 + // (3) remove both parent and child IDs from map
1.881 + // (4) free parent
1.882 + PLUGIN_LOG_DEBUG_FUNCTION;
1.883 +
1.884 + PluginInstanceParent* parentInstance =
1.885 + static_cast<PluginInstanceParent*>(instance->pdata);
1.886 +
1.887 + if (!parentInstance)
1.888 + return NPERR_NO_ERROR;
1.889 +
1.890 + NPError retval = parentInstance->Destroy();
1.891 + instance->pdata = nullptr;
1.892 +
1.893 + unused << PluginInstanceParent::Call__delete__(parentInstance);
1.894 + return retval;
1.895 +}
1.896 +
1.897 +NPError
1.898 +PluginModuleParent::NPP_NewStream(NPP instance, NPMIMEType type,
1.899 + NPStream* stream, NPBool seekable,
1.900 + uint16_t* stype)
1.901 +{
1.902 + PROFILER_LABEL("PluginModuleParent", "NPP_NewStream");
1.903 + PluginInstanceParent* i = InstCast(instance);
1.904 + if (!i)
1.905 + return NPERR_GENERIC_ERROR;
1.906 +
1.907 + return i->NPP_NewStream(type, stream, seekable,
1.908 + stype);
1.909 +}
1.910 +
1.911 +NPError
1.912 +PluginModuleParent::NPP_SetWindow(NPP instance, NPWindow* window)
1.913 +{
1.914 + PluginInstanceParent* i = InstCast(instance);
1.915 + if (!i)
1.916 + return NPERR_GENERIC_ERROR;
1.917 +
1.918 + return i->NPP_SetWindow(window);
1.919 +}
1.920 +
1.921 +NPError
1.922 +PluginModuleParent::NPP_DestroyStream(NPP instance,
1.923 + NPStream* stream,
1.924 + NPReason reason)
1.925 +{
1.926 + PluginInstanceParent* i = InstCast(instance);
1.927 + if (!i)
1.928 + return NPERR_GENERIC_ERROR;
1.929 +
1.930 + return i->NPP_DestroyStream(stream, reason);
1.931 +}
1.932 +
1.933 +int32_t
1.934 +PluginModuleParent::NPP_WriteReady(NPP instance,
1.935 + NPStream* stream)
1.936 +{
1.937 + BrowserStreamParent* s = StreamCast(instance, stream);
1.938 + if (!s)
1.939 + return -1;
1.940 +
1.941 + return s->WriteReady();
1.942 +}
1.943 +
1.944 +int32_t
1.945 +PluginModuleParent::NPP_Write(NPP instance,
1.946 + NPStream* stream,
1.947 + int32_t offset,
1.948 + int32_t len,
1.949 + void* buffer)
1.950 +{
1.951 + BrowserStreamParent* s = StreamCast(instance, stream);
1.952 + if (!s)
1.953 + return -1;
1.954 +
1.955 + return s->Write(offset, len, buffer);
1.956 +}
1.957 +
1.958 +void
1.959 +PluginModuleParent::NPP_StreamAsFile(NPP instance,
1.960 + NPStream* stream,
1.961 + const char* fname)
1.962 +{
1.963 + BrowserStreamParent* s = StreamCast(instance, stream);
1.964 + if (!s)
1.965 + return;
1.966 +
1.967 + s->StreamAsFile(fname);
1.968 +}
1.969 +
1.970 +void
1.971 +PluginModuleParent::NPP_Print(NPP instance, NPPrint* platformPrint)
1.972 +{
1.973 + PluginInstanceParent* i = InstCast(instance);
1.974 + if (i)
1.975 + i->NPP_Print(platformPrint);
1.976 +}
1.977 +
1.978 +int16_t
1.979 +PluginModuleParent::NPP_HandleEvent(NPP instance, void* event)
1.980 +{
1.981 + PluginInstanceParent* i = InstCast(instance);
1.982 + if (!i)
1.983 + return false;
1.984 +
1.985 + return i->NPP_HandleEvent(event);
1.986 +}
1.987 +
1.988 +void
1.989 +PluginModuleParent::NPP_URLNotify(NPP instance, const char* url,
1.990 + NPReason reason, void* notifyData)
1.991 +{
1.992 + PluginInstanceParent* i = InstCast(instance);
1.993 + if (!i)
1.994 + return;
1.995 +
1.996 + i->NPP_URLNotify(url, reason, notifyData);
1.997 +}
1.998 +
1.999 +NPError
1.1000 +PluginModuleParent::NPP_GetValue(NPP instance,
1.1001 + NPPVariable variable, void *ret_value)
1.1002 +{
1.1003 + PluginInstanceParent* i = InstCast(instance);
1.1004 + if (!i)
1.1005 + return NPERR_GENERIC_ERROR;
1.1006 +
1.1007 + return i->NPP_GetValue(variable, ret_value);
1.1008 +}
1.1009 +
1.1010 +NPError
1.1011 +PluginModuleParent::NPP_SetValue(NPP instance, NPNVariable variable,
1.1012 + void *value)
1.1013 +{
1.1014 + PluginInstanceParent* i = InstCast(instance);
1.1015 + if (!i)
1.1016 + return NPERR_GENERIC_ERROR;
1.1017 +
1.1018 + return i->NPP_SetValue(variable, value);
1.1019 +}
1.1020 +
1.1021 +bool
1.1022 +PluginModuleParent::RecvBackUpXResources(const FileDescriptor& aXSocketFd)
1.1023 +{
1.1024 +#ifndef MOZ_X11
1.1025 + NS_RUNTIMEABORT("This message only makes sense on X11 platforms");
1.1026 +#else
1.1027 + NS_ABORT_IF_FALSE(0 > mPluginXSocketFdDup.get(),
1.1028 + "Already backed up X resources??");
1.1029 + mPluginXSocketFdDup.forget();
1.1030 + if (aXSocketFd.IsValid()) {
1.1031 + mPluginXSocketFdDup.reset(aXSocketFd.PlatformHandle());
1.1032 + }
1.1033 +#endif
1.1034 + return true;
1.1035 +}
1.1036 +
1.1037 +void
1.1038 +PluginModuleParent::NPP_URLRedirectNotify(NPP instance, const char* url,
1.1039 + int32_t status, void* notifyData)
1.1040 +{
1.1041 + PluginInstanceParent* i = InstCast(instance);
1.1042 + if (!i)
1.1043 + return;
1.1044 +
1.1045 + i->NPP_URLRedirectNotify(url, status, notifyData);
1.1046 +}
1.1047 +
1.1048 +bool
1.1049 +PluginModuleParent::AnswerNPN_UserAgent(nsCString* userAgent)
1.1050 +{
1.1051 + *userAgent = NullableString(mNPNIface->uagent(nullptr));
1.1052 + return true;
1.1053 +}
1.1054 +
1.1055 +PluginIdentifierParent*
1.1056 +PluginModuleParent::GetIdentifierForNPIdentifier(NPP npp, NPIdentifier aIdentifier)
1.1057 +{
1.1058 + PluginIdentifierParent* ident;
1.1059 + if (mIdentifiers.Get(aIdentifier, &ident)) {
1.1060 + if (ident->IsTemporary()) {
1.1061 + ident->AddTemporaryRef();
1.1062 + }
1.1063 + return ident;
1.1064 + }
1.1065 +
1.1066 + nsCString string;
1.1067 + int32_t intval = -1;
1.1068 + bool temporary = false;
1.1069 + if (mozilla::plugins::parent::_identifierisstring(aIdentifier)) {
1.1070 + NPUTF8* chars =
1.1071 + mozilla::plugins::parent::_utf8fromidentifier(aIdentifier);
1.1072 + if (!chars) {
1.1073 + return nullptr;
1.1074 + }
1.1075 + string.Adopt(chars);
1.1076 + temporary = !NPStringIdentifierIsPermanent(npp, aIdentifier);
1.1077 + }
1.1078 + else {
1.1079 + intval = mozilla::plugins::parent::_intfromidentifier(aIdentifier);
1.1080 + string.SetIsVoid(true);
1.1081 + }
1.1082 +
1.1083 + ident = new PluginIdentifierParent(aIdentifier, temporary);
1.1084 + if (!SendPPluginIdentifierConstructor(ident, string, intval, temporary))
1.1085 + return nullptr;
1.1086 +
1.1087 + if (!temporary) {
1.1088 + mIdentifiers.Put(aIdentifier, ident);
1.1089 + }
1.1090 + return ident;
1.1091 +}
1.1092 +
1.1093 +PluginInstanceParent*
1.1094 +PluginModuleParent::InstCast(NPP instance)
1.1095 +{
1.1096 + PluginInstanceParent* ip =
1.1097 + static_cast<PluginInstanceParent*>(instance->pdata);
1.1098 +
1.1099 + // If the plugin crashed and the PluginInstanceParent was deleted,
1.1100 + // instance->pdata will be nullptr.
1.1101 + if (!ip)
1.1102 + return nullptr;
1.1103 +
1.1104 + if (instance != ip->mNPP) {
1.1105 + NS_RUNTIMEABORT("Corrupted plugin data.");
1.1106 + }
1.1107 + return ip;
1.1108 +}
1.1109 +
1.1110 +BrowserStreamParent*
1.1111 +PluginModuleParent::StreamCast(NPP instance,
1.1112 + NPStream* s)
1.1113 +{
1.1114 + PluginInstanceParent* ip = InstCast(instance);
1.1115 + if (!ip)
1.1116 + return nullptr;
1.1117 +
1.1118 + BrowserStreamParent* sp =
1.1119 + static_cast<BrowserStreamParent*>(static_cast<AStream*>(s->pdata));
1.1120 + if (sp->mNPP != ip || s != sp->mStream) {
1.1121 + NS_RUNTIMEABORT("Corrupted plugin stream data.");
1.1122 + }
1.1123 + return sp;
1.1124 +}
1.1125 +
1.1126 +bool
1.1127 +PluginModuleParent::HasRequiredFunctions()
1.1128 +{
1.1129 + return true;
1.1130 +}
1.1131 +
1.1132 +nsresult
1.1133 +PluginModuleParent::AsyncSetWindow(NPP instance, NPWindow* window)
1.1134 +{
1.1135 + PluginInstanceParent* i = InstCast(instance);
1.1136 + if (!i)
1.1137 + return NS_ERROR_FAILURE;
1.1138 +
1.1139 + return i->AsyncSetWindow(window);
1.1140 +}
1.1141 +
1.1142 +nsresult
1.1143 +PluginModuleParent::GetImageContainer(NPP instance,
1.1144 + mozilla::layers::ImageContainer** aContainer)
1.1145 +{
1.1146 + PluginInstanceParent* i = InstCast(instance);
1.1147 + return !i ? NS_ERROR_FAILURE : i->GetImageContainer(aContainer);
1.1148 +}
1.1149 +
1.1150 +nsresult
1.1151 +PluginModuleParent::GetImageSize(NPP instance,
1.1152 + nsIntSize* aSize)
1.1153 +{
1.1154 + PluginInstanceParent* i = InstCast(instance);
1.1155 + return !i ? NS_ERROR_FAILURE : i->GetImageSize(aSize);
1.1156 +}
1.1157 +
1.1158 +nsresult
1.1159 +PluginModuleParent::SetBackgroundUnknown(NPP instance)
1.1160 +{
1.1161 + PluginInstanceParent* i = InstCast(instance);
1.1162 + if (!i)
1.1163 + return NS_ERROR_FAILURE;
1.1164 +
1.1165 + return i->SetBackgroundUnknown();
1.1166 +}
1.1167 +
1.1168 +nsresult
1.1169 +PluginModuleParent::BeginUpdateBackground(NPP instance,
1.1170 + const nsIntRect& aRect,
1.1171 + gfxContext** aCtx)
1.1172 +{
1.1173 + PluginInstanceParent* i = InstCast(instance);
1.1174 + if (!i)
1.1175 + return NS_ERROR_FAILURE;
1.1176 +
1.1177 + return i->BeginUpdateBackground(aRect, aCtx);
1.1178 +}
1.1179 +
1.1180 +nsresult
1.1181 +PluginModuleParent::EndUpdateBackground(NPP instance,
1.1182 + gfxContext* aCtx,
1.1183 + const nsIntRect& aRect)
1.1184 +{
1.1185 + PluginInstanceParent* i = InstCast(instance);
1.1186 + if (!i)
1.1187 + return NS_ERROR_FAILURE;
1.1188 +
1.1189 + return i->EndUpdateBackground(aCtx, aRect);
1.1190 +}
1.1191 +
1.1192 +#if defined(XP_UNIX) && !defined(XP_MACOSX) && !defined(MOZ_WIDGET_GONK)
1.1193 +nsresult
1.1194 +PluginModuleParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs* pFuncs, NPError* error)
1.1195 +{
1.1196 + PLUGIN_LOG_DEBUG_METHOD;
1.1197 +
1.1198 + mNPNIface = bFuncs;
1.1199 +
1.1200 + if (mShutdown) {
1.1201 + *error = NPERR_GENERIC_ERROR;
1.1202 + return NS_ERROR_FAILURE;
1.1203 + }
1.1204 +
1.1205 + uint32_t flags = 0;
1.1206 +
1.1207 + if (!CallNP_Initialize(flags, error)) {
1.1208 + Close();
1.1209 + return NS_ERROR_FAILURE;
1.1210 + }
1.1211 + else if (*error != NPERR_NO_ERROR) {
1.1212 + Close();
1.1213 + return NS_OK;
1.1214 + }
1.1215 +
1.1216 + SetPluginFuncs(pFuncs);
1.1217 +
1.1218 + return NS_OK;
1.1219 +}
1.1220 +#else
1.1221 +nsresult
1.1222 +PluginModuleParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
1.1223 +{
1.1224 + PLUGIN_LOG_DEBUG_METHOD;
1.1225 +
1.1226 + mNPNIface = bFuncs;
1.1227 +
1.1228 + if (mShutdown) {
1.1229 + *error = NPERR_GENERIC_ERROR;
1.1230 + return NS_ERROR_FAILURE;
1.1231 + }
1.1232 +
1.1233 + uint32_t flags = 0;
1.1234 +#ifdef XP_WIN
1.1235 + flags |= kAllowAsyncDrawing;
1.1236 +#endif
1.1237 +
1.1238 + if (!CallNP_Initialize(flags, error)) {
1.1239 + Close();
1.1240 + return NS_ERROR_FAILURE;
1.1241 + }
1.1242 + if (*error != NPERR_NO_ERROR) {
1.1243 + Close();
1.1244 + return NS_OK;
1.1245 + }
1.1246 +
1.1247 +#if defined XP_WIN
1.1248 + // Send the info needed to join the chrome process's audio session to the
1.1249 + // plugin process
1.1250 + nsID id;
1.1251 + nsString sessionName;
1.1252 + nsString iconPath;
1.1253 +
1.1254 + if (NS_SUCCEEDED(mozilla::widget::GetAudioSessionData(id, sessionName,
1.1255 + iconPath)))
1.1256 + unused << SendSetAudioSessionData(id, sessionName, iconPath);
1.1257 +#endif
1.1258 +
1.1259 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.1260 + InitializeInjector();
1.1261 +#endif
1.1262 +
1.1263 + return NS_OK;
1.1264 +}
1.1265 +#endif
1.1266 +
1.1267 +nsresult
1.1268 +PluginModuleParent::NP_Shutdown(NPError* error)
1.1269 +{
1.1270 + PLUGIN_LOG_DEBUG_METHOD;
1.1271 +
1.1272 + if (mShutdown) {
1.1273 + *error = NPERR_GENERIC_ERROR;
1.1274 + return NS_ERROR_FAILURE;
1.1275 + }
1.1276 +
1.1277 + bool ok = CallNP_Shutdown(error);
1.1278 +
1.1279 + // if NP_Shutdown() is nested within another interrupt call, this will
1.1280 + // break things. but lord help us if we're doing that anyway; the
1.1281 + // plugin dso will have been unloaded on the other side by the
1.1282 + // CallNP_Shutdown() message
1.1283 + Close();
1.1284 +
1.1285 + return ok ? NS_OK : NS_ERROR_FAILURE;
1.1286 +}
1.1287 +
1.1288 +nsresult
1.1289 +PluginModuleParent::NP_GetMIMEDescription(const char** mimeDesc)
1.1290 +{
1.1291 + PLUGIN_LOG_DEBUG_METHOD;
1.1292 +
1.1293 + *mimeDesc = "application/x-foobar";
1.1294 + return NS_OK;
1.1295 +}
1.1296 +
1.1297 +nsresult
1.1298 +PluginModuleParent::NP_GetValue(void *future, NPPVariable aVariable,
1.1299 + void *aValue, NPError* error)
1.1300 +{
1.1301 + PR_LOG(GetPluginLog(), PR_LOG_WARNING, ("%s Not implemented, requested variable %i", __FUNCTION__,
1.1302 + (int) aVariable));
1.1303 +
1.1304 + //TODO: implement this correctly
1.1305 + *error = NPERR_GENERIC_ERROR;
1.1306 + return NS_OK;
1.1307 +}
1.1308 +
1.1309 +#if defined(XP_WIN) || defined(XP_MACOSX)
1.1310 +nsresult
1.1311 +PluginModuleParent::NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error)
1.1312 +{
1.1313 + NS_ASSERTION(pFuncs, "Null pointer!");
1.1314 +
1.1315 + // We need to have the child process update its function table
1.1316 + // here by actually calling NP_GetEntryPoints since the parent's
1.1317 + // function table can reflect nullptr entries in the child's table.
1.1318 + if (!CallNP_GetEntryPoints(error)) {
1.1319 + return NS_ERROR_FAILURE;
1.1320 + }
1.1321 + else if (*error != NPERR_NO_ERROR) {
1.1322 + return NS_OK;
1.1323 + }
1.1324 +
1.1325 + SetPluginFuncs(pFuncs);
1.1326 +
1.1327 + return NS_OK;
1.1328 +}
1.1329 +#endif
1.1330 +
1.1331 +nsresult
1.1332 +PluginModuleParent::NPP_New(NPMIMEType pluginType, NPP instance,
1.1333 + uint16_t mode, int16_t argc, char* argn[],
1.1334 + char* argv[], NPSavedData* saved,
1.1335 + NPError* error)
1.1336 +{
1.1337 + PLUGIN_LOG_DEBUG_METHOD;
1.1338 +
1.1339 + if (mShutdown) {
1.1340 + *error = NPERR_GENERIC_ERROR;
1.1341 + return NS_ERROR_FAILURE;
1.1342 + }
1.1343 +
1.1344 + // create the instance on the other side
1.1345 + InfallibleTArray<nsCString> names;
1.1346 + InfallibleTArray<nsCString> values;
1.1347 +
1.1348 + for (int i = 0; i < argc; ++i) {
1.1349 + names.AppendElement(NullableString(argn[i]));
1.1350 + values.AppendElement(NullableString(argv[i]));
1.1351 + }
1.1352 +
1.1353 + PluginInstanceParent* parentInstance =
1.1354 + new PluginInstanceParent(this, instance,
1.1355 + nsDependentCString(pluginType), mNPNIface);
1.1356 +
1.1357 + if (!parentInstance->Init()) {
1.1358 + delete parentInstance;
1.1359 + return NS_ERROR_FAILURE;
1.1360 + }
1.1361 +
1.1362 + instance->pdata = parentInstance;
1.1363 +
1.1364 + if (!CallPPluginInstanceConstructor(parentInstance,
1.1365 + nsDependentCString(pluginType), mode,
1.1366 + names, values, error)) {
1.1367 + // |parentInstance| is automatically deleted.
1.1368 + instance->pdata = nullptr;
1.1369 + // if IPC is down, we'll get an immediate "failed" return, but
1.1370 + // without *error being set. So make sure that the error
1.1371 + // condition is signaled to nsNPAPIPluginInstance
1.1372 + if (NPERR_NO_ERROR == *error)
1.1373 + *error = NPERR_GENERIC_ERROR;
1.1374 + return NS_ERROR_FAILURE;
1.1375 + }
1.1376 +
1.1377 + if (*error != NPERR_NO_ERROR) {
1.1378 + NPP_Destroy(instance, 0);
1.1379 + return NS_ERROR_FAILURE;
1.1380 + }
1.1381 +
1.1382 + TimeoutChanged(kParentTimeoutPref, this);
1.1383 +
1.1384 + return NS_OK;
1.1385 +}
1.1386 +
1.1387 +nsresult
1.1388 +PluginModuleParent::NPP_ClearSiteData(const char* site, uint64_t flags,
1.1389 + uint64_t maxAge)
1.1390 +{
1.1391 + if (!mClearSiteDataSupported)
1.1392 + return NS_ERROR_NOT_AVAILABLE;
1.1393 +
1.1394 + NPError result;
1.1395 + if (!CallNPP_ClearSiteData(NullableString(site), flags, maxAge, &result))
1.1396 + return NS_ERROR_FAILURE;
1.1397 +
1.1398 + switch (result) {
1.1399 + case NPERR_NO_ERROR:
1.1400 + return NS_OK;
1.1401 + case NPERR_TIME_RANGE_NOT_SUPPORTED:
1.1402 + return NS_ERROR_PLUGIN_TIME_RANGE_NOT_SUPPORTED;
1.1403 + case NPERR_MALFORMED_SITE:
1.1404 + return NS_ERROR_INVALID_ARG;
1.1405 + default:
1.1406 + return NS_ERROR_FAILURE;
1.1407 + }
1.1408 +}
1.1409 +
1.1410 +nsresult
1.1411 +PluginModuleParent::NPP_GetSitesWithData(InfallibleTArray<nsCString>& result)
1.1412 +{
1.1413 + if (!mGetSitesWithDataSupported)
1.1414 + return NS_ERROR_NOT_AVAILABLE;
1.1415 +
1.1416 + if (!CallNPP_GetSitesWithData(&result))
1.1417 + return NS_ERROR_FAILURE;
1.1418 +
1.1419 + return NS_OK;
1.1420 +}
1.1421 +
1.1422 +#if defined(XP_MACOSX)
1.1423 +nsresult
1.1424 +PluginModuleParent::IsRemoteDrawingCoreAnimation(NPP instance, bool *aDrawing)
1.1425 +{
1.1426 + PluginInstanceParent* i = InstCast(instance);
1.1427 + if (!i)
1.1428 + return NS_ERROR_FAILURE;
1.1429 +
1.1430 + return i->IsRemoteDrawingCoreAnimation(aDrawing);
1.1431 +}
1.1432 +
1.1433 +nsresult
1.1434 +PluginModuleParent::ContentsScaleFactorChanged(NPP instance, double aContentsScaleFactor)
1.1435 +{
1.1436 + PluginInstanceParent* i = InstCast(instance);
1.1437 + if (!i)
1.1438 + return NS_ERROR_FAILURE;
1.1439 +
1.1440 + return i->ContentsScaleFactorChanged(aContentsScaleFactor);
1.1441 +}
1.1442 +#endif // #if defined(XP_MACOSX)
1.1443 +
1.1444 +bool
1.1445 +PluginModuleParent::AnswerNPN_GetValue_WithBoolReturn(const NPNVariable& aVariable,
1.1446 + NPError* aError,
1.1447 + bool* aBoolVal)
1.1448 +{
1.1449 + NPBool boolVal = false;
1.1450 + *aError = mozilla::plugins::parent::_getvalue(nullptr, aVariable, &boolVal);
1.1451 + *aBoolVal = boolVal ? true : false;
1.1452 + return true;
1.1453 +}
1.1454 +
1.1455 +#if defined(MOZ_WIDGET_QT)
1.1456 +static const int kMaxtimeToProcessEvents = 30;
1.1457 +bool
1.1458 +PluginModuleParent::AnswerProcessSomeEvents()
1.1459 +{
1.1460 + PLUGIN_LOG_DEBUG(("Spinning mini nested loop ..."));
1.1461 + QCoreApplication::processEvents(QEventLoop::AllEvents, kMaxtimeToProcessEvents);
1.1462 +
1.1463 + PLUGIN_LOG_DEBUG(("... quitting mini nested loop"));
1.1464 +
1.1465 + return true;
1.1466 +}
1.1467 +
1.1468 +#elif defined(XP_MACOSX)
1.1469 +bool
1.1470 +PluginModuleParent::AnswerProcessSomeEvents()
1.1471 +{
1.1472 + mozilla::plugins::PluginUtilsOSX::InvokeNativeEventLoop();
1.1473 + return true;
1.1474 +}
1.1475 +
1.1476 +#elif !defined(MOZ_WIDGET_GTK)
1.1477 +bool
1.1478 +PluginModuleParent::AnswerProcessSomeEvents()
1.1479 +{
1.1480 + NS_RUNTIMEABORT("unreached");
1.1481 + return false;
1.1482 +}
1.1483 +
1.1484 +#else
1.1485 +static const int kMaxChancesToProcessEvents = 20;
1.1486 +
1.1487 +bool
1.1488 +PluginModuleParent::AnswerProcessSomeEvents()
1.1489 +{
1.1490 + PLUGIN_LOG_DEBUG(("Spinning mini nested loop ..."));
1.1491 +
1.1492 + int i = 0;
1.1493 + for (; i < kMaxChancesToProcessEvents; ++i)
1.1494 + if (!g_main_context_iteration(nullptr, FALSE))
1.1495 + break;
1.1496 +
1.1497 + PLUGIN_LOG_DEBUG(("... quitting mini nested loop; processed %i tasks", i));
1.1498 +
1.1499 + return true;
1.1500 +}
1.1501 +#endif
1.1502 +
1.1503 +bool
1.1504 +PluginModuleParent::RecvProcessNativeEventsInInterruptCall()
1.1505 +{
1.1506 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1507 +#if defined(OS_WIN)
1.1508 + ProcessNativeEventsInInterruptCall();
1.1509 + return true;
1.1510 +#else
1.1511 + NS_NOTREACHED(
1.1512 + "PluginModuleParent::RecvProcessNativeEventsInInterruptCall not implemented!");
1.1513 + return false;
1.1514 +#endif
1.1515 +}
1.1516 +
1.1517 +void
1.1518 +PluginModuleParent::ProcessRemoteNativeEventsInInterruptCall()
1.1519 +{
1.1520 +#if defined(OS_WIN)
1.1521 + unused << SendProcessNativeEventsInInterruptCall();
1.1522 + return;
1.1523 +#endif
1.1524 + NS_NOTREACHED(
1.1525 + "PluginModuleParent::ProcessRemoteNativeEventsInInterruptCall not implemented!");
1.1526 +}
1.1527 +
1.1528 +bool
1.1529 +PluginModuleParent::RecvPluginShowWindow(const uint32_t& aWindowId, const bool& aModal,
1.1530 + const int32_t& aX, const int32_t& aY,
1.1531 + const size_t& aWidth, const size_t& aHeight)
1.1532 +{
1.1533 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1534 +#if defined(XP_MACOSX)
1.1535 + CGRect windowBound = ::CGRectMake(aX, aY, aWidth, aHeight);
1.1536 + mac_plugin_interposing::parent::OnPluginShowWindow(aWindowId, windowBound, aModal);
1.1537 + return true;
1.1538 +#else
1.1539 + NS_NOTREACHED(
1.1540 + "PluginInstanceParent::RecvPluginShowWindow not implemented!");
1.1541 + return false;
1.1542 +#endif
1.1543 +}
1.1544 +
1.1545 +bool
1.1546 +PluginModuleParent::RecvPluginHideWindow(const uint32_t& aWindowId)
1.1547 +{
1.1548 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1549 +#if defined(XP_MACOSX)
1.1550 + mac_plugin_interposing::parent::OnPluginHideWindow(aWindowId, OtherSidePID());
1.1551 + return true;
1.1552 +#else
1.1553 + NS_NOTREACHED(
1.1554 + "PluginInstanceParent::RecvPluginHideWindow not implemented!");
1.1555 + return false;
1.1556 +#endif
1.1557 +}
1.1558 +
1.1559 +PCrashReporterParent*
1.1560 +PluginModuleParent::AllocPCrashReporterParent(mozilla::dom::NativeThreadId* id,
1.1561 + uint32_t* processType)
1.1562 +{
1.1563 +#ifdef MOZ_CRASHREPORTER
1.1564 + return new CrashReporterParent();
1.1565 +#else
1.1566 + return nullptr;
1.1567 +#endif
1.1568 +}
1.1569 +
1.1570 +bool
1.1571 +PluginModuleParent::DeallocPCrashReporterParent(PCrashReporterParent* actor)
1.1572 +{
1.1573 +#ifdef MOZ_CRASHREPORTER
1.1574 +#ifdef XP_WIN
1.1575 + mozilla::MutexAutoLock lock(mCrashReporterMutex);
1.1576 + if (actor == static_cast<PCrashReporterParent*>(mCrashReporter)) {
1.1577 + mCrashReporter = nullptr;
1.1578 + }
1.1579 +#endif
1.1580 +#endif
1.1581 + delete actor;
1.1582 + return true;
1.1583 +}
1.1584 +
1.1585 +bool
1.1586 +PluginModuleParent::RecvSetCursor(const NSCursorInfo& aCursorInfo)
1.1587 +{
1.1588 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1589 +#if defined(XP_MACOSX)
1.1590 + mac_plugin_interposing::parent::OnSetCursor(aCursorInfo);
1.1591 + return true;
1.1592 +#else
1.1593 + NS_NOTREACHED(
1.1594 + "PluginInstanceParent::RecvSetCursor not implemented!");
1.1595 + return false;
1.1596 +#endif
1.1597 +}
1.1598 +
1.1599 +bool
1.1600 +PluginModuleParent::RecvShowCursor(const bool& aShow)
1.1601 +{
1.1602 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1603 +#if defined(XP_MACOSX)
1.1604 + mac_plugin_interposing::parent::OnShowCursor(aShow);
1.1605 + return true;
1.1606 +#else
1.1607 + NS_NOTREACHED(
1.1608 + "PluginInstanceParent::RecvShowCursor not implemented!");
1.1609 + return false;
1.1610 +#endif
1.1611 +}
1.1612 +
1.1613 +bool
1.1614 +PluginModuleParent::RecvPushCursor(const NSCursorInfo& aCursorInfo)
1.1615 +{
1.1616 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1617 +#if defined(XP_MACOSX)
1.1618 + mac_plugin_interposing::parent::OnPushCursor(aCursorInfo);
1.1619 + return true;
1.1620 +#else
1.1621 + NS_NOTREACHED(
1.1622 + "PluginInstanceParent::RecvPushCursor not implemented!");
1.1623 + return false;
1.1624 +#endif
1.1625 +}
1.1626 +
1.1627 +bool
1.1628 +PluginModuleParent::RecvPopCursor()
1.1629 +{
1.1630 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1631 +#if defined(XP_MACOSX)
1.1632 + mac_plugin_interposing::parent::OnPopCursor();
1.1633 + return true;
1.1634 +#else
1.1635 + NS_NOTREACHED(
1.1636 + "PluginInstanceParent::RecvPopCursor not implemented!");
1.1637 + return false;
1.1638 +#endif
1.1639 +}
1.1640 +
1.1641 +bool
1.1642 +PluginModuleParent::RecvGetNativeCursorsSupported(bool* supported)
1.1643 +{
1.1644 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1645 +#if defined(XP_MACOSX)
1.1646 + *supported =
1.1647 + Preferences::GetBool("dom.ipc.plugins.nativeCursorSupport", false);
1.1648 + return true;
1.1649 +#else
1.1650 + NS_NOTREACHED(
1.1651 + "PluginInstanceParent::RecvGetNativeCursorSupportLevel not implemented!");
1.1652 + return false;
1.1653 +#endif
1.1654 +}
1.1655 +
1.1656 +bool
1.1657 +PluginModuleParent::RecvNPN_SetException(PPluginScriptableObjectParent* aActor,
1.1658 + const nsCString& aMessage)
1.1659 +{
1.1660 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1661 +
1.1662 + NPObject* aNPObj = nullptr;
1.1663 + if (aActor) {
1.1664 + aNPObj = static_cast<PluginScriptableObjectParent*>(aActor)->GetObject(true);
1.1665 + if (!aNPObj) {
1.1666 + NS_ERROR("Failed to get object!");
1.1667 + return false;
1.1668 + }
1.1669 + }
1.1670 + mozilla::plugins::parent::_setexception(aNPObj, NullableStringGet(aMessage));
1.1671 + return true;
1.1672 +}
1.1673 +
1.1674 +bool
1.1675 +PluginModuleParent::RecvNPN_ReloadPlugins(const bool& aReloadPages)
1.1676 +{
1.1677 + PLUGIN_LOG_DEBUG(("%s", FULLFUNCTION));
1.1678 +
1.1679 + mozilla::plugins::parent::_reloadplugins(aReloadPages);
1.1680 + return true;
1.1681 +}
1.1682 +
1.1683 +#ifdef MOZ_CRASHREPORTER_INJECTOR
1.1684 +
1.1685 +// We only add the crash reporter to subprocess which have the filename
1.1686 +// FlashPlayerPlugin*
1.1687 +#define FLASH_PROCESS_PREFIX "FLASHPLAYERPLUGIN"
1.1688 +
1.1689 +static DWORD
1.1690 +GetFlashChildOfPID(DWORD pid, HANDLE snapshot)
1.1691 +{
1.1692 + PROCESSENTRY32 entry = {
1.1693 + sizeof(entry)
1.1694 + };
1.1695 + for (BOOL ok = Process32First(snapshot, &entry);
1.1696 + ok;
1.1697 + ok = Process32Next(snapshot, &entry)) {
1.1698 + if (entry.th32ParentProcessID == pid) {
1.1699 + nsString name(entry.szExeFile);
1.1700 + ToUpperCase(name);
1.1701 + if (StringBeginsWith(name, NS_LITERAL_STRING(FLASH_PROCESS_PREFIX))) {
1.1702 + return entry.th32ProcessID;
1.1703 + }
1.1704 + }
1.1705 + }
1.1706 + return 0;
1.1707 +}
1.1708 +
1.1709 +// We only look for child processes of the Flash plugin, NPSWF*
1.1710 +#define FLASH_PLUGIN_PREFIX "NPSWF"
1.1711 +
1.1712 +void
1.1713 +PluginModuleParent::InitializeInjector()
1.1714 +{
1.1715 + if (!Preferences::GetBool("dom.ipc.plugins.flash.subprocess.crashreporter.enabled", false))
1.1716 + return;
1.1717 +
1.1718 + nsCString path(Process()->GetPluginFilePath().c_str());
1.1719 + ToUpperCase(path);
1.1720 + int32_t lastSlash = path.RFindCharInSet("\\/");
1.1721 + if (kNotFound == lastSlash)
1.1722 + return;
1.1723 +
1.1724 + if (!StringBeginsWith(Substring(path, lastSlash + 1),
1.1725 + NS_LITERAL_CSTRING(FLASH_PLUGIN_PREFIX)))
1.1726 + return;
1.1727 +
1.1728 + HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
1.1729 + if (INVALID_HANDLE_VALUE == snapshot)
1.1730 + return;
1.1731 +
1.1732 + DWORD pluginProcessPID = GetProcessId(Process()->GetChildProcessHandle());
1.1733 + mFlashProcess1 = GetFlashChildOfPID(pluginProcessPID, snapshot);
1.1734 + if (mFlashProcess1) {
1.1735 + InjectCrashReporterIntoProcess(mFlashProcess1, this);
1.1736 +
1.1737 + mFlashProcess2 = GetFlashChildOfPID(mFlashProcess1, snapshot);
1.1738 + if (mFlashProcess2) {
1.1739 + InjectCrashReporterIntoProcess(mFlashProcess2, this);
1.1740 + }
1.1741 + }
1.1742 +}
1.1743 +
1.1744 +void
1.1745 +PluginModuleParent::OnCrash(DWORD processID)
1.1746 +{
1.1747 + if (!mShutdown) {
1.1748 + GetIPCChannel()->CloseWithError();
1.1749 + KillProcess(OtherProcess(), 1, false);
1.1750 + }
1.1751 +}
1.1752 +
1.1753 +#endif // MOZ_CRASHREPORTER_INJECTOR
1.1754 +
1.1755 +#ifdef MOZ_ENABLE_PROFILER_SPS
1.1756 +class PluginProfilerObserver MOZ_FINAL : public nsIObserver,
1.1757 + public nsSupportsWeakReference
1.1758 +{
1.1759 +public:
1.1760 + NS_DECL_ISUPPORTS
1.1761 + NS_DECL_NSIOBSERVER
1.1762 +
1.1763 + explicit PluginProfilerObserver(PluginModuleParent* pmp)
1.1764 + : mPmp(pmp)
1.1765 + {}
1.1766 +
1.1767 +private:
1.1768 + PluginModuleParent* mPmp;
1.1769 +};
1.1770 +
1.1771 +NS_IMPL_ISUPPORTS(PluginProfilerObserver, nsIObserver, nsISupportsWeakReference)
1.1772 +
1.1773 +NS_IMETHODIMP
1.1774 +PluginProfilerObserver::Observe(nsISupports *aSubject,
1.1775 + const char *aTopic,
1.1776 + const char16_t *aData)
1.1777 +{
1.1778 + nsCOMPtr<nsIProfileSaveEvent> pse = do_QueryInterface(aSubject);
1.1779 + if (pse) {
1.1780 + nsCString result;
1.1781 + bool success = mPmp->CallGeckoGetProfile(&result);
1.1782 + if (success && !result.IsEmpty()) {
1.1783 + pse->AddSubProfile(result.get());
1.1784 + }
1.1785 + }
1.1786 + return NS_OK;
1.1787 +}
1.1788 +
1.1789 +void
1.1790 +PluginModuleParent::InitPluginProfiling()
1.1791 +{
1.1792 + nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
1.1793 + if (observerService) {
1.1794 + mProfilerObserver = new PluginProfilerObserver(this);
1.1795 + observerService->AddObserver(mProfilerObserver, "profiler-subprocess", false);
1.1796 + }
1.1797 +}
1.1798 +
1.1799 +void
1.1800 +PluginModuleParent::ShutdownPluginProfiling()
1.1801 +{
1.1802 + nsCOMPtr<nsIObserverService> observerService = mozilla::services::GetObserverService();
1.1803 + if (observerService) {
1.1804 + observerService->RemoveObserver(mProfilerObserver, "profiler-subprocess");
1.1805 + }
1.1806 +}
1.1807 +#endif
